bool ExperimentUnpackager::createFile(Datum filename, Datum buffer) {
if(buffer.getDataType() != M_STRING ||
filename.getDataType() != M_STRING) return false;
boost::filesystem::path filePath(filename.getString());
boost::filesystem::create_directories(filePath.parent_path());
// create an output file.
std::ofstream outFile(filePath.string().c_str()); //, ios::binary);
//write the data
outFile.write(buffer.getString(), buffer.getStringLength());
// flush buffer
outFile.flush();
// close the handle
outFile.close();
return true;
}
bool ExperimentUnpackager::unpackageExperiment(Datum payload) {
namespace bf = boost::filesystem;
if(payload.getDataType() != M_DICTIONARY) {
merror(M_NETWORK_MESSAGE_DOMAIN,
"Invalid payload type for experiment package");
return false;
}
Datum experimentFilePackage =
payload.getElement(M_PACKAGER_EXPERIMENT_STRING);
if(experimentFilePackage.getNElements() !=
M_EXPERIMENT_PACKAGE_NUMBER_ELEMENTS_PER_UNIT ||
experimentFilePackage.getDataType() != M_DICTIONARY)
return false;
Datum experimentFileName =
experimentFilePackage.getElement(M_PACKAGER_FILENAME_STRING);
if(experimentFileName.getDataType() != M_STRING ||
experimentFileName.getStringLength() <= 0)
return false;
bf::path experimentName(experimentFileName.getString());
loadedExperimentFilename = prependExperimentInstallPath(removeFileExtension(experimentName.string()),
experimentName.string());
bf::path experimentPath = loadedExperimentFilename.branch_path();
createExperimentInstallDirectoryStructure(experimentName.string());
// create the XML file
Datum experimentFileBuffer =
experimentFilePackage.getElement(M_PACKAGER_CONTENTS_STRING);
if(experimentFileBuffer.getDataType() != M_STRING ||
experimentFileBuffer.getStringLength() <= 0)
return false;
if(!(createFile(Datum(loadedExperimentFilename.string().c_str()),
experimentFileBuffer))) {
// failed to create experiment file
merror(M_FILE_MESSAGE_DOMAIN,
"Failed to create server side experiment file %s",
loadedExperimentFilename.string().c_str());
return false;
}
// create all of the other media files
Datum mediaFileList = payload.getElement(M_PACKAGER_MEDIA_BUFFERS_STRING);
if(mediaFileList.isList()) {
for(int i=0; i<mediaFileList.getNElements(); ++i) {
Datum mediaFilePackage = mediaFileList.getElement(i);
if(mediaFilePackage.getDataType() != M_DICTIONARY |
mediaFilePackage.getNElements() != 2) {
merror(M_FILE_MESSAGE_DOMAIN,
"incorrectly packaged media files");
return false;
}
Datum mediaFileName =
mediaFilePackage.getElement(M_PACKAGER_FILENAME_STRING);
Datum mediaFileBuffer =
mediaFilePackage.getElement(M_PACKAGER_CONTENTS_STRING);
if(mediaFileName.getDataType() != M_STRING ||
mediaFileName.getStringLength() <= 0 ||
mediaFileBuffer.getDataType() != M_STRING) return false;
std::string filename(mediaFileName.getString());
std::string filenameWPath = experimentPath.string() + "/" + filename;
if(!(createFile(Datum(filenameWPath.c_str()),
mediaFileBuffer))) {
// failed to create experiment file
merror(M_FILE_MESSAGE_DOMAIN,
"Failed to create server side experiment file %s",
filenameWPath.c_str());
return false;
}
}
}
expandRangeReplicatorItems(loadedExperimentFilename);
modifyExperimentMediaPaths(loadedExperimentFilename);
return true;
}
